Blockchain Fundamentals
To know more fundamentals about Blockchain Technology
https://www.wikiwand.com/en/Blockchain#
To have a comprehensive discussion of Blockchain Technology
https://www.igvita.com/2014/05/05/minimum-viable-block-chain/
A Hands-on practical guide for first Blockchain Development
https://medium.com/crypto-currently/lets-build-the-tiniest-blockchain-e70965a248b